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(-) Description

Title :  CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE HUMAN ALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR IN COMPLEX WITH METHYLLYCACONITINE
 
Authors :  M. Zouridakis, P. Giastas, E. Zarkadas, S. J. Tzartos
Date :  27 Aug 14  (Deposition) - 01 Oct 14  (Release) - 19 Nov 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.71
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transport Protein, Transport, Neuronal Type Nachr, Extracellular Domain, Methyllycaconitine, Antagonist (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Zouridakis, P. Giastas, E. Zarkadas, D. Chroni-Tzartou, P. Bregestovski, S. J. Tzartos
Crystal Structures Of Free And Antagonist-Bound States Of Human Alpha9 Nicotinic Receptor Extracellular Domain
Nat. Struct. Mol. Biol. V. 21 976 2014
PubMed-ID: 25282151  |  Reference-DOI: 10.1038/NSMB.2900

(-) Compounds

Molecule 1 - NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9
    ChainsA, B
    EngineeredYES
    Expression SystemKOMAGATAELLA PASTORIS
    Expression System PlasmidPPICZAA
    Expression System StrainX33
    Expression System Taxid4922
    Expression System Vector TypePLASMID
    FragmentEXTRACELLULAR DOMAIN, UNP RESIDUES 26-237
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymNICOTINIC ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9, NACHR ALP HA-9, HUMAN ALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 15)

Asymmetric/Biological Unit (5, 15)
No.NameCountTypeFull Name
1EDO3Ligand/Ion1,2-ETHANEDIOL
2EPE4Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINEETHANESULFONIC ACID
3MLK2Ligand/IonMETHYLLYCACONITINE
4NA2Ligand/IonSODIUM ION
5NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (15, 15)

Asymmetric Unit (15, 15)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREPHE A:172 , GLU A:174 , GLU A:179 , VAL A:180 , ARG A:211 , HOH A:3208 , HOH A:3210 , HOH A:3216BINDING SITE FOR RESIDUE EPE A1214
02AC2SOFTWARETRP A:57 , ARG A:59 , ASP A:121 , ASP A:171 , HOH A:3124 , HOH A:3157 , HOH A:3162 , HOH A:3258 , HOH A:3259BINDING SITE FOR RESIDUE EPE A1215
03AC3SOFTWARETYR B:95 , SER B:150 , TRP B:151 , THR B:152 , TYR B:153 , ASP B:201 , HOH B:3223 , HOH B:3224 , HOH B:3225 , HOH B:3226BINDING SITE FOR RESIDUE MLK B1213
04AC4SOFTWARETYR A:95 , ASN A:96 , SER A:150 , TRP A:151 , THR A:152 , TYR A:153 , ASP A:201 , HOH A:3256 , HOH A:3257BINDING SITE FOR RESIDUE MLK A1213
05AC5SOFTWAREPHE B:172 , GLU B:174 , GLU B:179 , VAL B:180 , ARG B:211 , HOH B:3197 , HOH B:3201 , HOH B:3227BINDING SITE FOR RESIDUE EPE B1214
06AC6SOFTWARESER B:79 , ILE B:80 , ARG B:81 , HOH B:3117BINDING SITE FOR RESIDUE EDO B1215
07AC7SOFTWARETRP B:57 , ARG B:59 , ASP B:121 , HOH B:3063 , HOH B:3150 , HOH B:3228BINDING SITE FOR RESIDUE EPE B1216
08AC8SOFTWAREARG A:59 , ILE A:61 , HOH A:3056 , HOH A:3261BINDING SITE FOR RESIDUE EDO A1216
09AC9SOFTWARELEU A:169 , VAL A:180 , HIS A:181 , HOH A:3218BINDING SITE FOR RESIDUE EDO A1217
10BC1SOFTWAREASN A:162 , VAL A:186 , LYS A:187 , HOH A:3263 , SER B:191 , TYR B:192 , GLY B:193BINDING SITE FOR RESIDUE NA A1218
11BC2SOFTWARESER A:191 , GLY A:193 , HOH A:3234 , ASN B:162 , VAL B:186 , LYS B:187BINDING SITE FOR RESIDUE NA B1217
12BC3SOFTWAREVAL A:30 , ASN A:32 , PHE A:161 , HOH A:3044 , HOH A:3252 , HOH A:3253BINDING SITE FOR MONO-SACCHARIDE NAG A2214 BOUND TO ASN A 32
13BC4SOFTWAREGLN A:143 , ASN A:145 , VAL A:186 , ASN A:188 , THR A:203 , THR A:205 , HOH A:3178 , HOH A:3229 , HOH A:3248 , HOH A:3254 , HOH A:3255BINDING SITE FOR MONO-SACCHARIDE NAG A2215 BOUND TO ASN A 145
14BC5SOFTWAREVAL B:30 , ASN B:32 , HOH B:3049 , HOH B:3219BINDING SITE FOR MONO-SACCHARIDE NAG B2214 BOUND TO ASN B 32
15BC6SOFTWAREGLN B:143 , ASN B:145 , VAL B:186 , ASN B:188 , THR B:203 , THR B:205 , HOH B:3170 , HOH B:3209 , HOH B:3222BINDING SITE FOR MONO-SACCHARIDE NAG B2215 BOUND TO ASN B 145

(-) SS Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1A:130 -A:144
2A:194 -A:195
3B:130 -B:144
4B:194 -B:195

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Asp A:100 -Glu A:101
2Phe A:137 -Pro A:138
3Phe B:137 -Pro B:138

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4UXU)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4UXU)

(-) Exons   (0, 0)

(no "Exon" information available for 4UXU)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:210
                                                                                                                                                                                                                                                  
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhh...............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhh....eeeee.hhh....eee..............eeeee.eeeeeeeeeeeeeee.eee.......eeeeeeeeee.......eeeee...............eeeee................eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4uxu A   3 GKYAQKLFNDLFEDYSNALRPVEDTDKVLNVTLQITLSQIKDMDERNQILTAYLWIRQIWHDAYLTWDRDQYDGLDSIRIPSDLVWRPDIVLYNKADDESSEPVNTNVVLRYDGLITWDAPAITKSSCVVDVTYFPFDNQQCNLTFGSWTYNGNQVDIFNALDSGDLSDFIEDVEWEVHGMPAVKNVISYGCCSEPYPDVTFTLLLKRRS 212
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212

Chain B from PDB  Type:PROTEIN  Length:210
                                                                                                                                                                                                                                                  
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhh...............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee..............eeeee.eeeeeeeeeeeeeee.eee.......eeeeeeeeee.......eeeee...............eeeee................eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4uxu B   3 GKYAQKLFNDLFEDYSNALRPVEDTDKVLNVTLQITLSQIKDMDERNQILTAYLWIRQIWHDAYLTWDRDQYDGLDSIRIPSDLVWRPDIVLYNKADDESSEPVNTNVVLRYDGLITWDAPAITKSSCVVDVTYFPFDNQQCNLTFGSWTYNGNQVDIFNALDSGDLSDFIEDVEWEVHGMPAVKNVISYGCCSEPYPDVTFTLLLKRRS 212
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 4UXU)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4UXU)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4UXU)

(-) Gene Ontology  (27, 27)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Asp A:100 - Glu A:101   [ RasMol ]  
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ACHA9_HUMAN | Q9UGM14d01 4uy2

(-) Related Entries Specified in the PDB File

4d01 CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE HUMAN ALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR
4uy2 CRYSTAL STRUCTURE OF THE COMPLEX OF THE EXTRACELLULAR DOMAIN OF HUMAN ALPHA9 NACHR WITH ALPHA-BUNGAROTOXIN.